A.紫外检测器B.示差检测器C.质谱检测器D.荧光检测器
A.10mg/L、500μg/L和5μg/LB.100mg/L、1mg/L、50μg/L和5μg/LC.1mg/L、50μg/L和5μg/LD.100mg/L、50μg/L和5μg/L